/**
 * Copyright 2023-present DreamNum Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { NullValueObject } from '../value-object/primitive-object';
import { BaseAstNode } from './base-ast-node';
import { NodeType } from './node-type';

export class NullNode extends BaseAstNode {
    constructor(private _operatorString: string) {
        super(_operatorString);
    }

    override get nodeType() {
        return NodeType.NULL;
    }

    override execute() {
        this.setValue(NullValueObject.create());
    }
}
